| Company | Timeline | Status | |
| Opus Airconditioning (Sales) Limited Director • Secretary | 1 Oct 1991←22 Years→1 May 2014 | Active | |
| Opus Airconditioning (Sales) Limited Secretary • Unreported | 1 Oct 1991←22 Years→1 May 2014 | Active | |
| Opus Airconditioning Limited Secretary • Unreported | 1 Jan 1970←46 Years→20 Sep 2016 | Active | |
| Opus Airconditioning Limited Director • Unreported | 1 Jan 1970←46 Years→20 Sep 2016 | Active | |
